Fix logic here - the error message was bogus when it couldn't find the

imap lib

Author: rlerdorf

ext/imap/config.m4

@@ -13,7 +13,7 @@ AC_ARG_WITH(imap,
  withval=/usr
  fi
  fi
- if test "$withval" != "no"; then
+ if test "$withval" != "no" && test "$withval" != "yes"; then
  IMAP_DIR=$withval
  if test -f $IMAP_DIR/include/imap/mail.h; then
  IMAP_INC_DIR=$IMAP_DIR/include/imap